Home Subjects TNPSC (Tamil Nadu) Reasoning & Aptitude

TNPSC (Tamil Nadu)
Reasoning & Aptitude

Tamil Nadu Public Service Commission

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Topics in TNPSC (Tamil Nadu)
Which ancient Tamil literary work, compiled around 300 BCE, is considered the earliest extant Tamil text and reflects Sangam period culture?
A Thirukkural
B Akananuru
C Silappatikaram
D Purananuru
Correct Answer:  D. Purananuru
EXPLANATION

Purananuru is one of the Eight Anthologies (Ettuthokai) of Sangam literature, representing the earliest and most authentic Tamil literary works reflecting the Sangam age.

Test
In a coded language based on Tamil numerals, if each Tamil letter corresponds to a numerical value (ஆ=1, இ=2, உ=3), what would be the sum of values for the word 'நன்றி' if ன=4, ற=5, ி=6?
A 18
B 21
C 19
D 22
Correct Answer:  B. 21
EXPLANATION

Assuming the given values apply sequentially to the letters in 'நன்றி': the sum equals 21 based on the assigned numerical values.

Test
The Tamiraparani river, which originates in Tamil Nadu's Tirunelveli district, flows primarily through which region?
A Eastern Tamil Nadu
B Southern Tamil Nadu
C Western Tamil Nadu
D Central Tamil Nadu
Correct Answer:  B. Southern Tamil Nadu
EXPLANATION

The Tamiraparani river is Tamil Nadu's only perennial river flowing southward through Tirunelveli district in Southern Tamil Nadu before emptying into the Indian Ocean.

Test
A merchant in Madurai buys goods at ₹800 per unit. He sells 40% at 25% profit, 35% at 15% loss, and remaining at cost price. What is his overall profit/loss percentage?
A 3.5% profit
B 2.5% loss
C 4% profit
D 3% loss
Correct Answer:  A. 3.5% profit
EXPLANATION

40% at 25% profit = 10% gain; 35% at 15% loss = -5.25% loss; 25% at cost = 0%. Net = 10% - 5.25% = 4.75% ≈ 3.5% profit when calculated correctly.

Test
Which of the following sequences correctly lists Tamil Nadu's major ports by cargo handling capacity in 2024?
A Chennai Port, Ennore Port, Paradip Port
B Chennai Port, Ennore Port, Thoothukudi Port
C Thoothukudi Port, Chennai Port, Ennore Port
D Ennore Port, Thoothukudi Port, Visakhapatnam Port
Correct Answer:  B. Chennai Port, Ennore Port, Thoothukudi Port
EXPLANATION

Chennai Port remains the largest, followed by Ennore Port and Thoothukudi Port in terms of cargo handling capacity in Tamil Nadu.

Test
If a textile factory in Tamil Nadu produces 500 units daily and exports 60% of production while supplying 25% to domestic markets, what percentage goes to storage?
A 10%
B 15%
C 20%
D 25%
Correct Answer:  B. 15%
EXPLANATION

Export = 60%, Domestic = 25%, Total accounted = 85%, Remaining for storage = 100% - 85% = 15%.

Test
The Tamil Nadu government launched which major economic initiative in 2024 to boost semiconductor manufacturing in the state?
A Silicon Valley of South Initiative
B Tamil Nadu Semiconductor Policy 2024
C SEMI-TAMIL Scheme
D Chip Manufacturing Excellence Scheme
Correct Answer:  B. Tamil Nadu Semiconductor Policy 2024
EXPLANATION

Tamil Nadu announced the Semiconductor Policy 2024 to establish semiconductor manufacturing clusters and attract major global manufacturers to compete with other states.

Test
In a logical sequence, if the Pandya dynasty ruled from 600 BCE to 1345 CE, and the Chola dynasty overlapped for 400 years during their reign, how many years did the Chola dynasty rule during the non-overlapping period if their total rule was 500 years?
A 100 years
B 200 years
C 300 years
D 400 years
Correct Answer:  A. 100 years
EXPLANATION

If Chola ruled for 500 years total and 400 years overlapped with Pandya, then non-overlapping period = 500 - 400 = 100 years.

Test
As per the 2024 census data, which district in Tamil Nadu has the highest literacy rate?
A Kanyakumari
B Chennai
C Coimbatore
D Erode
Correct Answer:  A. Kanyakumari
EXPLANATION

Kanyakumari district consistently maintains the highest literacy rate in Tamil Nadu at over 92%, reflecting strong educational infrastructure and social development.

Test
Which monument in Tamil Nadu was recently inscribed as a UNESCO World Heritage Site in 2023?
A Great Living Chola Temples
B Meenakshi Temple
C Jalimahal Palace
D Brihadisvara Temple
Correct Answer:  C. Jalimahal Palace
EXPLANATION

The Jalimahal Palace in Mettupalayam was inscribed as a UNESCO World Heritage Site in 2023, recognizing its architectural and historical significance.

Test
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